/*
 * Flashlib - QB9 common Flash library
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.qb9.flashlib.lang
{
	/**
	 * Apply a function to all elements and return a new Array or Object with all the results.
	 *
	 * @see foreach() to see the difference between this function and anArray.map
	 *
	 * @see http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/Array.html#map()
	 */
	public function map(obj:Object, fn:Function, ...args:Array) : *
	{
		var mapped:Object = obj is Array ? [] : {};
		
		for (var i:Object in obj)
			mapped[i] = fn.apply(null, [obj[i]].concat(args));
		
		return mapped;
	}
}
